| 摘要 |
PURPOSE:To obtain a wide reciprocating rotary angle of a reciprocating rotary electric machine with a simple circuit configuration by supplying cosine and sinusoidal voltages generated from a low frequency 2-phase oscillators to a stator coil. CONSTITUTION:When a changeover switch 6 is closed at the side A which is coupled directly with a low frequency 2-phase oscillator 4, a sinusoidal voltage is applied to a power amplifier 7, and a cosine full-wave rectified voltage is applied through an absolute value circuit 9 to a power amplifier 9. These signals are respectively power-amplified and applied to rotor coils 2, 3, thereby allowing a rotor 1 to recirocatingly rotate at 180 deg.. When the switch 6 is closed at the side B, a current of waveform substantially equal to the full-wave rectified voltage of sinusoidal wave is flowed to the coil 2, a current of waveform substantially equal to the full-wave rectified voltage of cosine wave is flowed through the amplifier 9 to the coil 3, and the rotor 1 is reciprocatingly rotated at 90 deg.. |
